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Q: What is the next number in this sequence 2 6 12 20 30 42?

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25 is the next number that appears in that sequence.

20

3, -6, 12, 4, 20, ?

20

10 The sequence is given by xn = 60/n

12

next in the sequence: 10,20,30,20

16

Those are the factors of the number 60, in descending order. The next factor is 10.

The next number in the sequence is 20. You are alternately multiplying the previous number by two and then subtracting two.

The next number in the sequence will be 56.

10,20,30,20

Think it's 30...then 20

22

There really is no way of telling, but my guess is 22.

6

20

10

92 - 18 = 72 72 - 16 = 56 56 - 14 = 42 42 - 12 = 30 30 - 10 = 20 20 is the next number in the sequence.

10. Then 12, 14, 16, 18, 20, 22, 24, etc.

500

yes it is

10 is one possibility.

notice that the difference between each consecutive number are 3,5,8,13,21,34,55,89,144 also notice that if you add each pair you get the next one so the next in this sub sequence is 233 and when you add that to 376 in the main sequence you get the answer 609

The pattern is plus 7. So the next number used to be 1.